]>
Commit | Line | Data |
---|---|---|
6ac26c8a MA |
1 | /* |
2 | * Hypervisor-assisted dump | |
3 | * | |
4 | * Linas Vepstas, Manish Ahuja 2008 | |
5 | * Copyright 2008 IBM Corp. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the License, or (at your option) any later version. | |
11 | */ | |
12 | ||
13 | #ifndef _PPC64_PHYP_DUMP_H | |
14 | #define _PPC64_PHYP_DUMP_H | |
15 | ||
16 | #ifdef CONFIG_PHYP_DUMP | |
17 | ||
18 | /* The RMR region will be saved for later dumping | |
19 | * whenever the kernel crashes. Set this to 256MB. */ | |
20 | #define PHYP_DUMP_RMR_START 0x0 | |
21 | #define PHYP_DUMP_RMR_END (1UL<<28) | |
22 | ||
23 | struct phyp_dump { | |
24 | /* Memory that is reserved during very early boot. */ | |
25 | unsigned long init_reserve_start; | |
26 | unsigned long init_reserve_size; | |
37ddd5d0 MA |
27 | /* cmd line options during boot */ |
28 | unsigned long reserve_bootvar; | |
654f596d | 29 | unsigned long phyp_dump_at_boot; |
37ddd5d0 | 30 | /* Check status during boot if dump supported, active & present*/ |
6ac26c8a MA |
31 | unsigned long phyp_dump_configured; |
32 | unsigned long phyp_dump_is_active; | |
33 | /* store cpu & hpte size */ | |
34 | unsigned long cpu_state_size; | |
35 | unsigned long hpte_region_size; | |
a9c508da MA |
36 | /* previous scratch area values */ |
37 | unsigned long reserved_scratch_addr; | |
38 | unsigned long reserved_scratch_size; | |
6ac26c8a MA |
39 | }; |
40 | ||
41 | extern struct phyp_dump *phyp_dump_info; | |
42 | ||
43 | int early_init_dt_scan_phyp_dump(unsigned long node, | |
44 | const char *uname, int depth, void *data); | |
45 | ||
46 | #endif /* CONFIG_PHYP_DUMP */ | |
47 | #endif /* _PPC64_PHYP_DUMP_H */ |